Forestry

1980

1981

1982

1983

T4

T3

T2

T1

Water provides the support and there is no problem for the absorption and conduction of water

Otherwise the weight of these tissues would drown the plant

Of the anaerobic conditions created by submergence

Otherwise translocation of food would have been interrupted

Forests get, what can be called as residual lands in the land use

The result of the agriculture based civilization

Where the best available land is generally put under the plough

All of the above

Mutualistic

Parasitic

Saprophytic

Commensal

The relative closeness of trees is called density

To closeness of crowns boles and roots

Both (a) & (b)

None of these

Eremophytes

Oxylophytes

Psilophytes

Psammophytes

Xerophytes

Mesophytes

Hydrophytes

Halophytes

Alga

Lichen

Pinus

Mustard

Seral community

Biotic community

Pioneer community

Ecosere